Troubleshooting - Velleman DVBTR Bedienungsanleitung

9. Troubleshooting

Some simple checks or a minor adjustment may eliminate the problem and restore proper operation. Let a technician
maintain the unit.
Keep the device away from static electricity during maintenance as the video processor is very sensitive.
Trouble
No power
Can not scan program
No picture
No colour
Image distortion from one
channel to another
The RCU is not working
Audio sound and subtitle
cannot be chosen
No sound
Sudden sound drop
Seriously distorted
reception
DVBTR_v2
Possible Cause
Power cord has not been connected
properly
• Antenna is not adjusted properly
• Parameter input is incorrect
• Use the antenna correctly
• Output cord incorrectly connected
• Video output mode of the unit is set
differently than the mode of the
monitor
• Output cord incorrectly connected
• Video output mode of the unit is set
differently than the mode of the
monitor
Normal
• Batteries incorrectly inserted
• Batteries are exhausted
• Operation distance is too far or
operating angle is too large
• Remote control sensor is obstructed by
bright light
Sound channel incorrectly chosen
• Mute button is pressed
• Volume is set at a low level
• Cable incorrectly connected
• Short circuit
• Mute button is pressed
• Entering sleeping status
Serious interferential status
Suggested Solution
Plug the power cord tightly into the power
outlet and switch on the power. If there still
is no power, switch off the unit again and
wait 5 to 10 min. before switching the unit
on
• Adjust the antenna or use an outdoor
antenna
• Use an antenna with a 75Ω impedance
• Set the frequency and bandwidth
correctly
• Connect the output cord correctly
• Reset the working mode
• Connect the output cord correctly
• Reset the working system
• Insert the batteries correctly
• Replace the batteries
• Operate within the range
• Place the unit in another place
Press the AUDIO button to shift the
channel
• Cancel the mute
• Augment the volume
• Connect the cable correctly
• Connect the output cable correctly and
reopen the unit
• Cancel the mute
• Reopen the unit
Adjust the antenna
- 12 - VELLEMAN